<?php
// trans.php
function begin()
{
@mysql_query("BEGIN");
}
function commit()
{
@mysql_query("COMMIT");
}
function rollback()
{
@mysql_query("ROLLBACK");
}
@mysql_connect("localhost","root", "123456") or die(mysql_error());
@mysql_select_db("212850_galander") or die(mysql_error());
$query = "INSERT INTO trans (id,item,quantity)
values (null,'Baseball',4)";
begin(); // transaction begins
$result = @mysql_query($query);
if(!$result)
{
rollback(); // transaction rolls back
echo "you rolled back";
exit;
}
else
{
commit(); // transaction is committed
echo "your insertion was successful";
}
?>
